Drywall corner trimming strip



FIG. 1 is a top perspective view of a drywall corner trimming strip embodying my new design;

FIG. 2 is a an end view thereof;

FIG. 3 is a right side view of FIG. 1; and,

FIG. 4 is a left side view of FIG. 1.

The openings and letter T shown in phantom lines form no part of the claimed design. 

The ornamental design for a drywall corner trimming strip, as shown and described. 